PUK code needed
have a physical SIM in iPhone13 - repeated episodes of SOS and requested PUK unlock code
iPhone 13, iOS 16
have a physical SIM in iPhone13 - repeated episodes of SOS and requested PUK unlock code
iPhone 13, iOS 16
PUK? Contact your carrier. Read for more...
If you forgot or don't know your SIM PIN
Never try to guess a SIM PIN or PUK code.* The wrong guess can permanently lock your SIM card, and then you would need a new SIM card. If your device asks for a PIN or code that you don't know, here's what to do:

*If you enter the wrong SIM PIN too many times, your wireless carrier might be able to give you a Personal Unlocking Key (PUK).
PUK? Contact your carrier. Read for more...
If you forgot or don't know your SIM PIN
Never try to guess a SIM PIN or PUK code.* The wrong guess can permanently lock your SIM card, and then you would need a new SIM card. If your device asks for a PIN or code that you don't know, here's what to do:

*If you enter the wrong SIM PIN too many times, your wireless carrier might be able to give you a Personal Unlocking Key (PUK).
PUK code needed